What is the postfix expression of the string a+(b-c)*d?

What is the postfix expression of the string a+(b-c)*d?

  1. a) abc-d*+
  2. b) abcd-*+
  3. c) ad*bc-
  4. d) abc-d+*

From the Sonali Bank Assistant Database Administrator 2020 – Preliminary exam, question 18 of 68.

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